When an earthquake occurs, two types of sound waves are generated and travel through the earth. the primary, or p, wave has a speed of about 8.0 km/s and the secondary, or s, wave has a speed of about 4.5 km/s. a seismograph, located some distance away, records the arrival of the p wave and then, 68.1 s later, records the arrival of the s wave. assuming that the waves travel in a straight line, how far (in terms of m) is the seismograph from the earthquake?

What is the name of the ocean current that affects the british isles? how does it influence their climate?

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?